Inventor · disambiguated record
Todd M. Johnson
Also filed as: JOHNSON TODD · JOHNSON TODD M
7 granted patents·3 pending applications·570 citations·filing 1975–2017
88Inventor score
Files with3M INNOVATIVE PROPERTIES CO3CAMPBELL ALAN B2HUNN JOHN L1INTERSERV CORP1MARUSHIN PATRICK H1
Top patents by PatentIndex Score
10 records- 0192US4869497AComputer controlled exercise machineUNIVERSAL GYM EQUIPMENT INC·Filed 1987·Granted Sep 26, 1989·272 cites·19 claims
- 0289US5798921AAudio storage/reproduction system with automated inventory controlFiled 1995·Granted Aug 25, 1998·188 cites·8 claims
- 0383US5407519AApparatus for manufacturing liquid crystal display screensINTERSERV CORP·Filed 1993·Granted Apr 18, 1995·82 cites·20 claims
- 0474US7950838B2Light directing film3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted May 31, 2011·7 cites·7 claims
- 0561US9810817B2Light directing film and method for making the sameCAMPBELL ALAN B·Filed 2009·Granted Nov 7, 2017·3 cites·32 claims
- 0656US3948424AFront rack for motorcycleHUNN JOHN L·Filed 1975·Granted Apr 6, 1976·18 cites·8 claims
- 0754US10197713B2Light directing film and method for making the same3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Feb 5, 2019·0 cites·20 claims
- 0850US2011199557A1Light directing film3M INNOVATIVE PROPERTIES CO·Filed 2011·Application pending·0 cites
- 0942US2011181971A1Methods and systems for fabricating optical films having superimposed featuresCAMPBELL ALAN B·Filed 2009·Application pending·0 cites
- 1035US2006226583A1Light directing filmMARUSHIN PATRICK H·Filed 2005·Application pending·0 cites
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